GSG import wizard: put progress bar in proper place inside wizard.
getting started guide wizard polish
   - Make gsg wizard use table viewer to pick a guide. 
   - Do guide content background automatically asynchronously. 
   - Remove download button. 
   - Hookup gsg wizard via Eclipse import wizard extension point.
Merge branch 'master' into gsg
Polish: GSG wizard. 
   Fix UI lockup during download content.
   Make wizard layout look nicer.
Merge branch 'master' into gsg
Fix package names o.sfw.ide -> o.sfw.ide.eclipse
Refactor package naming.
Polising Guides Wizard. Experiment with Dashboard webpages.
A bit more polish for wizard and mock guides dashboard page.